Synonyms|380Antonyms|89|Broader|1Narrower|0Related|1.1k

27 entries under heavy topic. ×

1
tiresome(tough, severe, harsh, painful)
1
distressing(adjective, severe, difficult, harsh)
1
formidable(adjective, hard, tough, severe, difficult)
1
rigorous(adjective, hard, tough, severe, difficult)
1
serious(adjective, severe, difficult, harsh)
0
galling(tough, severe, harsh, painful)
0
merciless(adjective, severe, difficult, harsh)
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APASmart Define. (2015). grueling thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/grueling/thesaurus/synonyms
ChicagoSmart Define. 2015. "grueling thesaurus" https://smartdefine.org/grueling/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, grueling thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/grueling/thesaurus/synonyms>.
MLASmart Define. "grueling thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/grueling/thesaurus/synonyms>